EP offers a complete selection of modular servo gearboxes /worm reducers. The modular style permits configurations with motor source flange and result pinion for rack and pinion drives, and solid result shafts, Hollow bore result, and insight shafts for all the positioning applications. The modular style allows for general mounting of the gearbox in any orientation.
Servo-Worm Reducers were specifically developed for make use of with the most recent servo motors found in applications that demand precise positioning and repeatability.
These reducers are ideal for applications in materials handling, automation, machine tool, and robotics.
The light-weight modular aluminum housing design allows for easy machine integration, and excellent heat dissipation. A wide variety of source flanges and couplings are available to allow easy mounting of nearly any servo-motor and custom flanges could be accommodated. Outcome configurations with pinion, hollow bore, or stable shaft are available and may be configured for type with motor flange, free of charge source shaft, or both free input shaft and motor flange.
An optimized worm equipment tooth design insures substantial efficiency while at exactly the same time decreasing backlash. Two degrees of backlash are available, Precise or Extra-specific, with backlash amounts to less than 3 arc minutes.
Obtainable in 6 sizes
Ratios from 2 to 60:1
Torque Potential up to 4400 Lb.-Ft. (6000 Nm)
Input Speeds up to 6000 RPM
Two backlash levels – Precise and Extra-precise.
Modular design appropriate for rack & pinion system
4 input styles
7 output styles
28 possible standard configurations
Features
Wide range of servo gearboxes, made to fit virtually all servo motors found on the market
Designed for the best torsional stiffness and the cheapest angular backlash, for the utmost torque and overhung loads
Bush with slots and hub clamp for servomotor coupling
Benefits
Enhanced dimensional compactness because of direct servomotor coupling
Widest range of practical servomotors coupling dimensions.
The correct technical solution because of a comprehensive range of sizes, gear stages, transmission ratios, designs and nonstandard designs.
High-Torque (HT) Servo-Worm Reducers
This standard range of Servo-Worm Reducers are perfect for use in applications that demand high repeatability, precise positioning and performance. They were specifically developed for employ with state-of-the-art servo engine technology, providing limited integration of the engine to the machine. Angular backlash of less than 1 arc-mins is provided standard.
They are available in four sizes (50 mm to 100 mm center range) with input boosts to 5,000 rpm, reduction ratios from 4.75 to 52:1 and output torque capacities up to 885 lb.ft. A broad range of engine couplings and mounting flanges are available for assembly to virtually all servo motors, and the hollow bore end result works extremely well to mount outcome shafts, pinion shafts, or other drive elements.
Normal applications for these reducers include precision rotary axis drives, traveling gantries & columns, material handling axis drives, zero-backlash axis drives and digital line shafting. Industries offered include Material H, ling, Aerospace, Robotics, Machine Program and Automation.
Gearing: Internal gear design was optimized to provide an angular backlash of less than 1 arc-minutes in assembly, with the choice of “in the field” adjustable backlash in the event that necessary.
Bearings: Input angular call bearings for high insight speed, and robust outcome tapered-roller bearings for large radial and axial load potential.
Housing: Light weight aluminum housing once and for all heat dissipation, with integral insight flange for servo motors and universal mounting on any encounter.
Output: The result bore is available with a good compression-type hub or a ISO 9409-1 flange (see dimension web pages). We give you a line of equipment to adjust these outputs to straight shafting, Rack & Pinions, or other gearing types.
This gearbox utilizes a 30:1 ratio worm-travel reduction for applications that want extremely slow and smooth rotational motion. The worm-drive design not merely minimizes backlash but as well eliminates back-driving the gearmotor so a position can be placed even when power isn’t applied. The precision floor 3/8” stainless steel end result shaft is reinforced by dual 3/8” ABEC 5 ball bearings to support lots from any orientation. The ¼” ABS plastic and light weight aluminum structure provides a rigid framework without adding unneeded weight and is very easily installed to any flat surface by utilizing the base mounting tabs. Our Common Spur Gear motors will continue to work with this gearbox (motor offered separately). The Vertical Shaft Worm-Drive Gearbox is exquisite for turn-tables, time-lapse systems and low-rate applications that require high accuracy and torque.
Motor RPM required = 1 / (moments per rotation desired / 30)
Example: 1 / (ten minutes per rotation / 30) = 3 RPM motor had a need to achieve ten minutes per rotation (at max speed)
now provides an economical right position gearhead for make use of with small NEMA 23 through 56 and similar little metric servo and stepper motors. These reducers happen to be most appropriate for basic movement and insight speeds of 2000 rpm where profile application costs certainly are a major consideration.
7 sizes with torque capacities up to 684 Nm
12 exact single level ratios from 7:1 to 100:1
2 stage ratios available
Inch or metric output shafts
Hollow output standard, put in shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-design hub provides zero-backlash motor shaft connection
Aluminum diecast housing for low weight
Large outcome bearings accommodate larger radial loads
Inch or metric hollow bore with keyway, solitary and dual plug-found in shafts also available
Double lip end result seals provide maximum protection against contaminants
Face or base installation alternatives, bolt on flanges and torque arms also available
Bronze wheels cast in the output shaft for higher strength
Hardened and floor worm shaft provides soft operation
Reducer completely sealed for general mounting and long-life lubrication
Two bearing worm support isolates electric motor bearings from radial and axial loads
Flexible coupling element eliminates electric motor misalignment and bearing wear
Worm Gears are ideal angle drives providing significant speed ratios on comparatively brief center distances from 1/4” to 11”. When effectively mounted and lubricated they function as the quietist and smoothest running type of gearing. Due to high ratios conceivable with worm gearing, maximal speed reduction could be accomplished in fewer space than many other types of gearing. Worm and worm gears operate on non-intersecting shafts at 90° angles.
EFFICIENCY of worm gear drives depends to a huge extent on the helix position 
of the worm. Multiple thread worms and gears with bigger helix angle prove 25% to 50% better than one thread worms. The mesh or engagement of worms with worm gears produces a sliding action creating considerable friction and greater lack of efficiency beyond other styles of gearing. The usage of hardened and ground worm swith bronze worm gears rises efficiency.
LUBRICATION can be an essential factor to boost efficiency in worm gearing. Worm equipment action generates considerable high temperature, decreasing efficiency. The number of electric power transmitted at confirmed temperature increases as the performance of the gearing boosts. Proper lubrication enhances effectiveness by lowering friction and heat.
RATIOS of worm gear sets are dependant on dividing the number of teeth in the apparatus by the amount of threads. Thus sole threads yield bigger ratios than multiple threads. All EP. worm equipment sets are available with either still left or right hand threads. EP. worm gear sets are offered with Double, Triple, One and Qua-druple Threads.
SAFETY PROVISION: Worm gearing should not be used as a locking mechanism to carry major weights where reversing actions can cause harm or personal injury. In applications where potential damage is nonexistent and self-locking is desired against backward rotation then use of an individual thread worm with a low helix angle immediately locks the worm equipment drive against backward rotation.
Materials recommended for worms is going to be hardened steel and bronze for worm gears. Nevertheless, depending on the application form unhardened metal worms operate adequately and more economically with cast iron worm gears at 50% horsepower ratings. In addition to metal and hardenedsteel, worms are available in aluminum, stainless, nylon and bronze; worm gears can be found in steel, hardened steel, stainless, aluminium, nylon and nonmetallic (phenolic).
EP also sells equipment tooth measuring devices called Equipment GAGES! Gear Gages decrease mistakes, save money and time when identifying and buying gears. These pitch templates can be purchased in nine sets to identify all the common pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, External Involute Splines, Metric Module “MOD”, Stub Tooth, Good Pitches, Coarse Pitches and Uncommon Pitches. Make reference to the section on Equipment GAGES for catalog numbers when ordering.
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